Robert Downey Jr.'s heralded turn as nefarious government ... but missed out on the big night to Sean Penn in "Mystic River." And there are even more "SNL" alumni who've waltzed with Oscar ...

Thanks to his foundational role in the mega-successful Marvel Cinematic Universe, Robert Downey Jr. is among the top-grossing stars of all time. His films have grossed a combined total of $16.27 ...